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Motorcraft Mercon ULV Source?

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Old Dec 10, 2025 | 04:56 AM
  #1  
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Motorcraft Mercon ULV Source?

Where are y'all sourcing your Motorcraft ULV? I'm trying not to buy fake off Amazon/ebay, and don't want to pay crazy dealer prices. I've struck out at Walmart, O'Reilly's, Advance, and Autozone.

Still under warranty and have many of the funky/typical 10R140 gremlins, so not interested in Valvoline, or any of the other substitutes. OEM only. TIA.
 
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Old Dec 10, 2025 | 05:12 AM
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The cheapest place I've found has always been Rock Auto in the 5 quart jug. Just checked and it's 24.79. Also there usually a 5% discount code floating around.
 
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Old Dec 10, 2025 | 12:50 PM
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Originally Posted by kry226
I'm trying not to buy fake off Amazon
Is this a concern? I've been buying Motorcraft ULV on amazon for a while now. The bottles have had unopened plastic caps and metal foil seals just like anything store bought. Have i been getting duped?

Cost has been right around $10/qt bottle.
 

Last edited by sdekold; Dec 10, 2025 at 12:52 PM.
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Old Dec 10, 2025 | 01:03 PM
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Originally Posted by sdekold
Is this a concern? I've been buying Motorcraft ULV on amazon for a while now. The bottles have had unopened plastic caps and metal foil seals just like anything store bought. Have i been getting duped?

Cost has been right around $10/qt bottle.
Yes its a concern sometimes.....If seller is Amazon direct your good. 3rd party who knows, ESPECIALLY, if the price is unusually good.

Me? Rockauto is my source.
 
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Old Dec 10, 2025 | 01:21 PM
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Well shoot, just looked up rockauto price….$5.19 ea! 10 bottles shipping is $15 so puts each bottle at $6.69 + tax. Thx for rockauto tip!
 
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Old Dec 10, 2025 | 02:24 PM
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Last time I got it, it was from DieselFiltersOnline.com. It's almost $10/qt now though. I trust them for OE stuff though.
 
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Old Dec 10, 2025 | 04:17 PM
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Originally Posted by chadstickpoindexter
Last time I got it, it was from DieselFiltersOnline.com. It's almost $10/qt now though. I trust them for OE stuff though.
+1
I have purchased filters and fluid from them for years...
 
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Old Dec 11, 2025 | 05:19 AM
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Originally Posted by Black Buzzard
Yes its a concern sometimes.....If seller is Amazon direct your good. 3rd party who knows, ESPECIALLY, if the price is unusually good.

Me? Rockauto is my source.
This has been my experience as well. I also want to say thanks for the Rock Auto tip. Bought many things from them in the past but never once thought about ULV. I've got three 5-quart jugs on the way for the best prices I've seen.

I'm just under 50k and will be doing a transmission fluid change as seen in one of ARod's latest videos. I'm hoping it smooths things out nicely. We'll see.
 
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Old Dec 11, 2025 | 05:55 AM
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I’ve been getting more and more of my lubricants from Triax Lubricants. Started using their motor oil in all my vehicles and have their oil for the front and rear differentials for my 2023 F350, just haven’t changed them yet. They have certification from the major oil organizations and appear to be approved by many vehicle OEM’s. I would have gotten my ULV from them but already used my points to get some from Ford before I discovered Triax. I don’t need to hear how I will void this and that. I’ve been a Reliability Engineer for decades, tend to over research everything and make sound decisions.
https://www.triaxlubricants.com
 
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Old Dec 11, 2025 | 04:50 PM
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rockauto.com
 
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Old Dec 11, 2025 | 08:19 PM
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Lots of counterfeit parts on eBay and amazon. Not sure about fluids though.
I use rockauto or tasca for online stuff.
You need to pay attention to the parts locations on rockauto so as to keep shipping all from same location. Keeps the shipping cost down.
 
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Old Dec 13, 2025 | 07:50 AM
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Rockauto and Summit have been good for fluids for me.
 
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